./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 15:16:25,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 15:16:25,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 15:16:25,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 15:16:25,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 15:16:25,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 15:16:25,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 15:16:25,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 15:16:25,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 15:16:25,442 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 15:16:25,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 15:16:25,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 15:16:25,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 15:16:25,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 15:16:25,444 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 15:16:25,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 15:16:25,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 15:16:25,444 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 15:16:25,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 15:16:25,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 15:16:25,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:16:25,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 15:16:25,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 15:16:25,447 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2025-03-04 15:16:25,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 15:16:25,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 15:16:25,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 15:16:25,718 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 15:16:25,718 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 15:16:25,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2025-03-04 15:16:26,904 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628a578e4/af6aa560d81f4a7fbb9adeb8811456eb/FLAG9a6868a24 [2025-03-04 15:16:27,196 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 15:16:27,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2025-03-04 15:16:27,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628a578e4/af6aa560d81f4a7fbb9adeb8811456eb/FLAG9a6868a24 [2025-03-04 15:16:27,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628a578e4/af6aa560d81f4a7fbb9adeb8811456eb [2025-03-04 15:16:27,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 15:16:27,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 15:16:27,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 15:16:27,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 15:16:27,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 15:16:27,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5ad870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27, skipping insertion in model container [2025-03-04 15:16:27,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 15:16:27,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:16:27,858 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 15:16:27,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 15:16:27,935 INFO L204 MainTranslator]: Completed translation [2025-03-04 15:16:27,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27 WrapperNode [2025-03-04 15:16:27,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 15:16:27,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 15:16:27,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 15:16:27,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 15:16:27,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,974 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2025-03-04 15:16:27,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 15:16:27,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 15:16:27,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 15:16:27,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 15:16:27,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,994 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 15, 2]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 8, 2]. [2025-03-04 15:16:27,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:27,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:28,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:28,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:28,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:28,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:28,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 15:16:28,018 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 15:16:28,018 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 15:16:28,018 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 15:16:28,019 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (1/1) ... [2025-03-04 15:16:28,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 15:16:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 15:16:28,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 15:16:28,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 15:16:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-04 15:16:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 15:16:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 15:16:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 15:16:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 15:16:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 15:16:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 15:16:28,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 15:16:28,069 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 15:16:28,261 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 15:16:28,262 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 15:16:28,509 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 15:16:28,509 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 15:16:28,650 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 15:16:28,651 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 15:16:28,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:28 BoogieIcfgContainer [2025-03-04 15:16:28,651 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 15:16:28,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 15:16:28,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 15:16:28,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 15:16:28,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:16:27" (1/3) ... [2025-03-04 15:16:28,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7734d756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:16:28, skipping insertion in model container [2025-03-04 15:16:28,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:16:27" (2/3) ... [2025-03-04 15:16:28,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7734d756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:16:28, skipping insertion in model container [2025-03-04 15:16:28,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:16:28" (3/3) ... [2025-03-04 15:16:28,659 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2025-03-04 15:16:28,671 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 15:16:28,672 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_3-container_of.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-04 15:16:28,672 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 15:16:28,709 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 15:16:28,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 104 flow [2025-03-04 15:16:28,765 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2025-03-04 15:16:28,768 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 15:16:28,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 48 events. 2/48 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2025-03-04 15:16:28,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 104 flow [2025-03-04 15:16:28,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 39 transitions, 87 flow [2025-03-04 15:16:28,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 15:16:28,792 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b1c204d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 15:16:28,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-04 15:16:28,799 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 15:16:28,799 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-04 15:16:28,799 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 15:16:28,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:28,800 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:28,800 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:28,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2134859708, now seen corresponding path program 1 times [2025-03-04 15:16:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:28,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404142877] [2025-03-04 15:16:28,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:28,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:28,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:16:28,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:16:28,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:28,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:29,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:29,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404142877] [2025-03-04 15:16:29,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404142877] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:29,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:29,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:29,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037131103] [2025-03-04 15:16:29,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:29,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:29,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:29,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:29,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:29,673 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:29,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 87 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:29,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:29,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:29,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:30,409 INFO L124 PetriNetUnfolderBase]: 1735/2896 cut-off events. [2025-03-04 15:16:30,410 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2025-03-04 15:16:30,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5694 conditions, 2896 events. 1735/2896 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 15602 event pairs, 304 based on Foata normal form. 0/2512 useless extension candidates. Maximal degree in co-relation 5594. Up to 1188 conditions per place. [2025-03-04 15:16:30,433 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 117 selfloop transitions, 22 changer transitions 0/143 dead transitions. [2025-03-04 15:16:30,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 143 transitions, 582 flow [2025-03-04 15:16:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:16:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:16:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 212 transitions. [2025-03-04 15:16:30,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4711111111111111 [2025-03-04 15:16:30,447 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 10 states and 212 transitions. [2025-03-04 15:16:30,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 143 transitions, 582 flow [2025-03-04 15:16:30,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 143 transitions, 574 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-04 15:16:30,457 INFO L231 Difference]: Finished difference. Result has 56 places, 62 transitions, 223 flow [2025-03-04 15:16:30,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=223, PETRI_PLACES=56, PETRI_TRANSITIONS=62} [2025-03-04 15:16:30,463 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 10 predicate places. [2025-03-04 15:16:30,463 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 62 transitions, 223 flow [2025-03-04 15:16:30,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:30,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:30,464 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:30,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 15:16:30,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:30,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:30,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2134859709, now seen corresponding path program 1 times [2025-03-04 15:16:30,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:30,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514408114] [2025-03-04 15:16:30,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:30,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-04 15:16:30,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-04 15:16:30,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:30,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:30,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:30,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514408114] [2025-03-04 15:16:30,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514408114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:30,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:30,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:30,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146851086] [2025-03-04 15:16:30,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:30,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:30,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:30,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:30,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:30,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:30,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 62 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:30,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:30,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:30,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:31,323 INFO L124 PetriNetUnfolderBase]: 1889/3105 cut-off events. [2025-03-04 15:16:31,323 INFO L125 PetriNetUnfolderBase]: For 1246/1246 co-relation queries the response was YES. [2025-03-04 15:16:31,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7429 conditions, 3105 events. 1889/3105 cut-off events. For 1246/1246 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 16495 event pairs, 642 based on Foata normal form. 102/3049 useless extension candidates. Maximal degree in co-relation 7325. Up to 1612 conditions per place. [2025-03-04 15:16:31,345 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 97 selfloop transitions, 19 changer transitions 3/123 dead transitions. [2025-03-04 15:16:31,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 123 transitions, 638 flow [2025-03-04 15:16:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 15:16:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-04 15:16:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 145 transitions. [2025-03-04 15:16:31,348 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4027777777777778 [2025-03-04 15:16:31,348 INFO L175 Difference]: Start difference. First operand has 56 places, 62 transitions, 223 flow. Second operand 8 states and 145 transitions. [2025-03-04 15:16:31,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 123 transitions, 638 flow [2025-03-04 15:16:31,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 123 transitions, 636 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:31,365 INFO L231 Difference]: Finished difference. Result has 68 places, 79 transitions, 372 flow [2025-03-04 15:16:31,367 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=372, PETRI_PLACES=68, PETRI_TRANSITIONS=79} [2025-03-04 15:16:31,368 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 22 predicate places. [2025-03-04 15:16:31,368 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 79 transitions, 372 flow [2025-03-04 15:16:31,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:31,368 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:31,368 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:31,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 15:16:31,369 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:31,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:31,370 INFO L85 PathProgramCache]: Analyzing trace with hash 95147984, now seen corresponding path program 1 times [2025-03-04 15:16:31,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:31,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202211748] [2025-03-04 15:16:31,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:31,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:31,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:16:31,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:16:31,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:31,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:31,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:31,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202211748] [2025-03-04 15:16:31,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202211748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:31,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:31,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:31,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66244674] [2025-03-04 15:16:31,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:31,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:31,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:31,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:31,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:31,612 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:31,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 79 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:31,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:31,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:31,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:32,170 INFO L124 PetriNetUnfolderBase]: 1905/3158 cut-off events. [2025-03-04 15:16:32,170 INFO L125 PetriNetUnfolderBase]: For 3411/3411 co-relation queries the response was YES. [2025-03-04 15:16:32,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8563 conditions, 3158 events. 1905/3158 cut-off events. For 3411/3411 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16854 event pairs, 419 based on Foata normal form. 0/3108 useless extension candidates. Maximal degree in co-relation 7753. Up to 1392 conditions per place. [2025-03-04 15:16:32,187 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 145 selfloop transitions, 48 changer transitions 0/197 dead transitions. [2025-03-04 15:16:32,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 197 transitions, 1301 flow [2025-03-04 15:16:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:16:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:16:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 209 transitions. [2025-03-04 15:16:32,189 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46444444444444444 [2025-03-04 15:16:32,189 INFO L175 Difference]: Start difference. First operand has 68 places, 79 transitions, 372 flow. Second operand 10 states and 209 transitions. [2025-03-04 15:16:32,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 197 transitions, 1301 flow [2025-03-04 15:16:32,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 197 transitions, 1299 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:32,198 INFO L231 Difference]: Finished difference. Result has 81 places, 109 transitions, 719 flow [2025-03-04 15:16:32,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=719, PETRI_PLACES=81, PETRI_TRANSITIONS=109} [2025-03-04 15:16:32,199 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 35 predicate places. [2025-03-04 15:16:32,199 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 109 transitions, 719 flow [2025-03-04 15:16:32,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:32,199 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:32,199 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:32,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 15:16:32,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:32,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:32,200 INFO L85 PathProgramCache]: Analyzing trace with hash 95147985, now seen corresponding path program 1 times [2025-03-04 15:16:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:32,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630643288] [2025-03-04 15:16:32,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:32,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-04 15:16:32,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-04 15:16:32,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:32,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:32,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:32,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630643288] [2025-03-04 15:16:32,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630643288] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:32,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:32,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 15:16:32,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389466028] [2025-03-04 15:16:32,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:32,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 15:16:32,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:32,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 15:16:32,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-04 15:16:32,451 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:32,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 109 transitions, 719 flow. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:32,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:32,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:32,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:32,953 INFO L124 PetriNetUnfolderBase]: 2052/3377 cut-off events. [2025-03-04 15:16:32,953 INFO L125 PetriNetUnfolderBase]: For 5978/5980 co-relation queries the response was YES. [2025-03-04 15:16:32,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10513 conditions, 3377 events. 2052/3377 cut-off events. For 5978/5980 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 18053 event pairs, 590 based on Foata normal form. 98/3475 useless extension candidates. Maximal degree in co-relation 9547. Up to 1702 conditions per place. [2025-03-04 15:16:32,973 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 145 selfloop transitions, 30 changer transitions 2/181 dead transitions. [2025-03-04 15:16:32,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 181 transitions, 1470 flow [2025-03-04 15:16:32,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 15:16:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-04 15:16:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2025-03-04 15:16:32,976 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4 [2025-03-04 15:16:32,976 INFO L175 Difference]: Start difference. First operand has 81 places, 109 transitions, 719 flow. Second operand 8 states and 144 transitions. [2025-03-04 15:16:32,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 181 transitions, 1470 flow [2025-03-04 15:16:32,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 181 transitions, 1470 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 15:16:33,000 INFO L231 Difference]: Finished difference. Result has 94 places, 130 transitions, 1009 flow [2025-03-04 15:16:33,002 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1009, PETRI_PLACES=94, PETRI_TRANSITIONS=130} [2025-03-04 15:16:33,003 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 48 predicate places. [2025-03-04 15:16:33,003 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 130 transitions, 1009 flow [2025-03-04 15:16:33,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:33,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:33,003 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:33,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 15:16:33,003 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:33,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:33,004 INFO L85 PathProgramCache]: Analyzing trace with hash -951160946, now seen corresponding path program 1 times [2025-03-04 15:16:33,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:33,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128167146] [2025-03-04 15:16:33,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:33,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:16:33,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:16:33,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:33,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:33,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128167146] [2025-03-04 15:16:33,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128167146] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:33,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:33,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 15:16:33,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267225315] [2025-03-04 15:16:33,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:33,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 15:16:33,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:33,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 15:16:33,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-04 15:16:33,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:33,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 130 transitions, 1009 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:33,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:33,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:33,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:33,971 INFO L124 PetriNetUnfolderBase]: 2175/3570 cut-off events. [2025-03-04 15:16:33,972 INFO L125 PetriNetUnfolderBase]: For 10443/10451 co-relation queries the response was YES. [2025-03-04 15:16:33,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12457 conditions, 3570 events. 2175/3570 cut-off events. For 10443/10451 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 19309 event pairs, 755 based on Foata normal form. 81/3651 useless extension candidates. Maximal degree in co-relation 12286. Up to 1711 conditions per place. [2025-03-04 15:16:33,997 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 162 selfloop transitions, 33 changer transitions 5/204 dead transitions. [2025-03-04 15:16:33,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 204 transitions, 1889 flow [2025-03-04 15:16:34,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 15:16:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-04 15:16:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 134 transitions. [2025-03-04 15:16:34,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4253968253968254 [2025-03-04 15:16:34,001 INFO L175 Difference]: Start difference. First operand has 94 places, 130 transitions, 1009 flow. Second operand 7 states and 134 transitions. [2025-03-04 15:16:34,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 204 transitions, 1889 flow [2025-03-04 15:16:34,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 204 transitions, 1881 flow, removed 4 selfloop flow, removed 0 redundant places. [2025-03-04 15:16:34,034 INFO L231 Difference]: Finished difference. Result has 105 places, 152 transitions, 1344 flow [2025-03-04 15:16:34,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=1001, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1344, PETRI_PLACES=105, PETRI_TRANSITIONS=152} [2025-03-04 15:16:34,035 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 59 predicate places. [2025-03-04 15:16:34,035 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 152 transitions, 1344 flow [2025-03-04 15:16:34,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:34,035 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:34,035 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:34,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 15:16:34,035 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:34,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:34,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1692953922, now seen corresponding path program 1 times [2025-03-04 15:16:34,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:34,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330391575] [2025-03-04 15:16:34,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:34,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:34,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-04 15:16:34,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-04 15:16:34,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:34,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:34,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:34,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330391575] [2025-03-04 15:16:34,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330391575] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:34,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:34,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 15:16:34,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691576874] [2025-03-04 15:16:34,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:34,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 15:16:34,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:34,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 15:16:34,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-04 15:16:34,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:34,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 152 transitions, 1344 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:34,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:34,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:34,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:34,984 INFO L124 PetriNetUnfolderBase]: 2300/3778 cut-off events. [2025-03-04 15:16:34,984 INFO L125 PetriNetUnfolderBase]: For 15776/15780 co-relation queries the response was YES. [2025-03-04 15:16:35,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14467 conditions, 3778 events. 2300/3778 cut-off events. For 15776/15780 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 20728 event pairs, 564 based on Foata normal form. 80/3858 useless extension candidates. Maximal degree in co-relation 13239. Up to 1772 conditions per place. [2025-03-04 15:16:35,021 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 184 selfloop transitions, 37 changer transitions 2/227 dead transitions. [2025-03-04 15:16:35,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 227 transitions, 2334 flow [2025-03-04 15:16:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 15:16:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-04 15:16:35,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 135 transitions. [2025-03-04 15:16:35,023 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2025-03-04 15:16:35,023 INFO L175 Difference]: Start difference. First operand has 105 places, 152 transitions, 1344 flow. Second operand 7 states and 135 transitions. [2025-03-04 15:16:35,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 227 transitions, 2334 flow [2025-03-04 15:16:35,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 227 transitions, 2310 flow, removed 8 selfloop flow, removed 2 redundant places. [2025-03-04 15:16:35,078 INFO L231 Difference]: Finished difference. Result has 114 places, 175 transitions, 1732 flow [2025-03-04 15:16:35,079 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=1330, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1732, PETRI_PLACES=114, PETRI_TRANSITIONS=175} [2025-03-04 15:16:35,081 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 68 predicate places. [2025-03-04 15:16:35,081 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 175 transitions, 1732 flow [2025-03-04 15:16:35,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:35,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:35,081 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:35,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 15:16:35,081 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:35,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:35,083 INFO L85 PathProgramCache]: Analyzing trace with hash 268597593, now seen corresponding path program 1 times [2025-03-04 15:16:35,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:35,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717494978] [2025-03-04 15:16:35,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:35,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:35,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:35,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:35,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:35,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:35,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:35,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717494978] [2025-03-04 15:16:35,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717494978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:35,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:35,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 15:16:35,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484394163] [2025-03-04 15:16:35,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:35,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 15:16:35,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:35,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 15:16:35,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 15:16:35,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:35,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 175 transitions, 1732 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:35,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:35,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:35,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:36,214 INFO L124 PetriNetUnfolderBase]: 4211/7203 cut-off events. [2025-03-04 15:16:36,214 INFO L125 PetriNetUnfolderBase]: For 37404/37425 co-relation queries the response was YES. [2025-03-04 15:16:36,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27798 conditions, 7203 events. 4211/7203 cut-off events. For 37404/37425 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 48003 event pairs, 358 based on Foata normal form. 164/7367 useless extension candidates. Maximal degree in co-relation 27599. Up to 1970 conditions per place. [2025-03-04 15:16:36,259 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 283 selfloop transitions, 103 changer transitions 66/456 dead transitions. [2025-03-04 15:16:36,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 456 transitions, 5029 flow [2025-03-04 15:16:36,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 257 transitions. [2025-03-04 15:16:36,261 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5191919191919192 [2025-03-04 15:16:36,261 INFO L175 Difference]: Start difference. First operand has 114 places, 175 transitions, 1732 flow. Second operand 11 states and 257 transitions. [2025-03-04 15:16:36,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 456 transitions, 5029 flow [2025-03-04 15:16:36,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 456 transitions, 4987 flow, removed 19 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:36,380 INFO L231 Difference]: Finished difference. Result has 131 places, 253 transitions, 3095 flow [2025-03-04 15:16:36,380 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=1711, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3095, PETRI_PLACES=131, PETRI_TRANSITIONS=253} [2025-03-04 15:16:36,382 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 85 predicate places. [2025-03-04 15:16:36,382 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 253 transitions, 3095 flow [2025-03-04 15:16:36,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:36,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:36,382 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:36,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 15:16:36,382 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:36,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:36,383 INFO L85 PathProgramCache]: Analyzing trace with hash 550239257, now seen corresponding path program 2 times [2025-03-04 15:16:36,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:36,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430555796] [2025-03-04 15:16:36,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:36,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:36,400 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:36,409 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:36,410 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:36,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:36,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:36,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430555796] [2025-03-04 15:16:36,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430555796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:36,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:36,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 15:16:36,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495018991] [2025-03-04 15:16:36,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:36,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 15:16:36,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:36,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 15:16:36,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 15:16:36,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:36,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 253 transitions, 3095 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:36,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:36,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:36,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:38,154 INFO L124 PetriNetUnfolderBase]: 5791/10309 cut-off events. [2025-03-04 15:16:38,154 INFO L125 PetriNetUnfolderBase]: For 91807/91828 co-relation queries the response was YES. [2025-03-04 15:16:38,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47539 conditions, 10309 events. 5791/10309 cut-off events. For 91807/91828 co-relation queries the response was YES. Maximal size of possible extension queue 493. Compared 77065 event pairs, 555 based on Foata normal form. 214/10522 useless extension candidates. Maximal degree in co-relation 38222. Up to 2609 conditions per place. [2025-03-04 15:16:38,219 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 318 selfloop transitions, 280 changer transitions 58/660 dead transitions. [2025-03-04 15:16:38,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 660 transitions, 8766 flow [2025-03-04 15:16:38,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 15:16:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-04 15:16:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 390 transitions. [2025-03-04 15:16:38,221 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2025-03-04 15:16:38,221 INFO L175 Difference]: Start difference. First operand has 131 places, 253 transitions, 3095 flow. Second operand 18 states and 390 transitions. [2025-03-04 15:16:38,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 660 transitions, 8766 flow [2025-03-04 15:16:38,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 660 transitions, 8752 flow, removed 6 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:38,563 INFO L231 Difference]: Finished difference. Result has 162 places, 445 transitions, 6798 flow [2025-03-04 15:16:38,563 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=3087, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6798, PETRI_PLACES=162, PETRI_TRANSITIONS=445} [2025-03-04 15:16:38,564 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 116 predicate places. [2025-03-04 15:16:38,564 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 445 transitions, 6798 flow [2025-03-04 15:16:38,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:38,564 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:38,564 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:38,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 15:16:38,564 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:38,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:38,564 INFO L85 PathProgramCache]: Analyzing trace with hash -963235367, now seen corresponding path program 1 times [2025-03-04 15:16:38,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:38,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583565889] [2025-03-04 15:16:38,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:38,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:38,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:38,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:38,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:38,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:38,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:38,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583565889] [2025-03-04 15:16:38,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583565889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:38,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:38,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 15:16:38,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984596926] [2025-03-04 15:16:38,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:38,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 15:16:38,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:38,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 15:16:38,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 15:16:38,763 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:38,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 445 transitions, 6798 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:38,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:38,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:38,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:41,114 INFO L124 PetriNetUnfolderBase]: 7755/14022 cut-off events. [2025-03-04 15:16:41,114 INFO L125 PetriNetUnfolderBase]: For 174825/174872 co-relation queries the response was YES. [2025-03-04 15:16:41,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72892 conditions, 14022 events. 7755/14022 cut-off events. For 174825/174872 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 113221 event pairs, 621 based on Foata normal form. 529/14551 useless extension candidates. Maximal degree in co-relation 69216. Up to 4542 conditions per place. [2025-03-04 15:16:41,222 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 463 selfloop transitions, 294 changer transitions 104/865 dead transitions. [2025-03-04 15:16:41,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 865 transitions, 14293 flow [2025-03-04 15:16:41,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:16:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:16:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 261 transitions. [2025-03-04 15:16:41,223 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5272727272727272 [2025-03-04 15:16:41,223 INFO L175 Difference]: Start difference. First operand has 162 places, 445 transitions, 6798 flow. Second operand 11 states and 261 transitions. [2025-03-04 15:16:41,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 865 transitions, 14293 flow [2025-03-04 15:16:42,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 865 transitions, 14055 flow, removed 118 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:42,253 INFO L231 Difference]: Finished difference. Result has 179 places, 586 transitions, 9898 flow [2025-03-04 15:16:42,254 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=6654, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=9898, PETRI_PLACES=179, PETRI_TRANSITIONS=586} [2025-03-04 15:16:42,254 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 133 predicate places. [2025-03-04 15:16:42,254 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 586 transitions, 9898 flow [2025-03-04 15:16:42,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:42,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:42,255 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:42,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 15:16:42,255 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:42,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash 254404697, now seen corresponding path program 2 times [2025-03-04 15:16:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:42,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686258100] [2025-03-04 15:16:42,255 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:42,266 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 1 equivalence classes. [2025-03-04 15:16:42,270 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 15:16:42,270 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:42,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:42,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:42,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686258100] [2025-03-04 15:16:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686258100] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:42,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:42,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 15:16:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325259931] [2025-03-04 15:16:42,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:42,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 15:16:42,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:42,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 15:16:42,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-04 15:16:42,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:42,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 586 transitions, 9898 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:42,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:42,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:42,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:46,048 INFO L124 PetriNetUnfolderBase]: 9623/17597 cut-off events. [2025-03-04 15:16:46,048 INFO L125 PetriNetUnfolderBase]: For 279339/279390 co-relation queries the response was YES. [2025-03-04 15:16:46,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101881 conditions, 17597 events. 9623/17597 cut-off events. For 279339/279390 co-relation queries the response was YES. Maximal size of possible extension queue 918. Compared 149233 event pairs, 1158 based on Foata normal form. 414/18011 useless extension candidates. Maximal degree in co-relation 94480. Up to 5495 conditions per place. [2025-03-04 15:16:46,154 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 392 selfloop transitions, 547 changer transitions 106/1049 dead transitions. [2025-03-04 15:16:46,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 1049 transitions, 18878 flow [2025-03-04 15:16:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-04 15:16:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-04 15:16:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 405 transitions. [2025-03-04 15:16:46,156 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5 [2025-03-04 15:16:46,156 INFO L175 Difference]: Start difference. First operand has 179 places, 586 transitions, 9898 flow. Second operand 18 states and 405 transitions. [2025-03-04 15:16:46,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 1049 transitions, 18878 flow [2025-03-04 15:16:47,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 1049 transitions, 18786 flow, removed 44 selfloop flow, removed 1 redundant places. [2025-03-04 15:16:47,817 INFO L231 Difference]: Finished difference. Result has 209 places, 785 transitions, 15166 flow [2025-03-04 15:16:47,817 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=9850, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=15166, PETRI_PLACES=209, PETRI_TRANSITIONS=785} [2025-03-04 15:16:47,818 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 163 predicate places. [2025-03-04 15:16:47,818 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 785 transitions, 15166 flow [2025-03-04 15:16:47,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:47,818 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:47,818 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:47,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 15:16:47,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:47,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:47,819 INFO L85 PathProgramCache]: Analyzing trace with hash -796496473, now seen corresponding path program 1 times [2025-03-04 15:16:47,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:47,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116501212] [2025-03-04 15:16:47,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:16:47,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:47,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:47,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:47,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:16:47,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:48,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:48,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116501212] [2025-03-04 15:16:48,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116501212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:48,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:48,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:48,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299206596] [2025-03-04 15:16:48,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:48,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:48,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:48,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:48,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:48,124 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:48,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 785 transitions, 15166 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:48,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:48,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:48,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:51,678 INFO L124 PetriNetUnfolderBase]: 9797/17864 cut-off events. [2025-03-04 15:16:51,678 INFO L125 PetriNetUnfolderBase]: For 378643/378705 co-relation queries the response was YES. [2025-03-04 15:16:51,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116091 conditions, 17864 events. 9797/17864 cut-off events. For 378643/378705 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 151702 event pairs, 2970 based on Foata normal form. 148/18012 useless extension candidates. Maximal degree in co-relation 109435. Up to 8507 conditions per place. [2025-03-04 15:16:51,889 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 753 selfloop transitions, 160 changer transitions 26/943 dead transitions. [2025-03-04 15:16:51,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 943 transitions, 19444 flow [2025-03-04 15:16:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 15:16:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-04 15:16:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 178 transitions. [2025-03-04 15:16:51,890 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39555555555555555 [2025-03-04 15:16:51,890 INFO L175 Difference]: Start difference. First operand has 209 places, 785 transitions, 15166 flow. Second operand 10 states and 178 transitions. [2025-03-04 15:16:51,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 943 transitions, 19444 flow [2025-03-04 15:16:55,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 943 transitions, 19076 flow, removed 63 selfloop flow, removed 2 redundant places. [2025-03-04 15:16:55,223 INFO L231 Difference]: Finished difference. Result has 222 places, 832 transitions, 16295 flow [2025-03-04 15:16:55,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=14822, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=785, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=642, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16295, PETRI_PLACES=222, PETRI_TRANSITIONS=832} [2025-03-04 15:16:55,224 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 176 predicate places. [2025-03-04 15:16:55,224 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 832 transitions, 16295 flow [2025-03-04 15:16:55,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:55,225 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:16:55,225 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:16:55,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 15:16:55,225 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:16:55,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:16:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash 233439025, now seen corresponding path program 2 times [2025-03-04 15:16:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:16:55,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185820971] [2025-03-04 15:16:55,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:16:55,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:16:55,237 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:16:55,244 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:16:55,244 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:16:55,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:16:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:16:55,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:16:55,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185820971] [2025-03-04 15:16:55,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185820971] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:16:55,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:16:55,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:16:55,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029473448] [2025-03-04 15:16:55,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:16:55,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:16:55,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:16:55,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:16:55,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:16:55,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:16:55,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 832 transitions, 16295 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:16:55,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:16:55,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:16:55,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:16:59,541 INFO L124 PetriNetUnfolderBase]: 10022/18210 cut-off events. [2025-03-04 15:16:59,541 INFO L125 PetriNetUnfolderBase]: For 441955/442013 co-relation queries the response was YES. [2025-03-04 15:16:59,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121876 conditions, 18210 events. 10022/18210 cut-off events. For 441955/442013 co-relation queries the response was YES. Maximal size of possible extension queue 944. Compared 154453 event pairs, 3018 based on Foata normal form. 148/18358 useless extension candidates. Maximal degree in co-relation 113359. Up to 9040 conditions per place. [2025-03-04 15:16:59,730 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 807 selfloop transitions, 153 changer transitions 49/1013 dead transitions. [2025-03-04 15:16:59,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 1013 transitions, 21288 flow [2025-03-04 15:16:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 15:16:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-04 15:16:59,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 196 transitions. [2025-03-04 15:16:59,731 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.362962962962963 [2025-03-04 15:16:59,731 INFO L175 Difference]: Start difference. First operand has 222 places, 832 transitions, 16295 flow. Second operand 12 states and 196 transitions. [2025-03-04 15:16:59,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 1013 transitions, 21288 flow [2025-03-04 15:17:03,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 1013 transitions, 21247 flow, removed 16 selfloop flow, removed 2 redundant places. [2025-03-04 15:17:03,221 INFO L231 Difference]: Finished difference. Result has 238 places, 865 transitions, 17550 flow [2025-03-04 15:17:03,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=16258, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=832, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17550, PETRI_PLACES=238, PETRI_TRANSITIONS=865} [2025-03-04 15:17:03,222 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 192 predicate places. [2025-03-04 15:17:03,222 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 865 transitions, 17550 flow [2025-03-04 15:17:03,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:03,222 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:03,222 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:03,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 15:17:03,222 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:03,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:03,223 INFO L85 PathProgramCache]: Analyzing trace with hash 861489717, now seen corresponding path program 1 times [2025-03-04 15:17:03,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:03,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475402836] [2025-03-04 15:17:03,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 15:17:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:03,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:17:03,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:17:03,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 15:17:03,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:03,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:03,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475402836] [2025-03-04 15:17:03,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475402836] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:03,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:03,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:17:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244162196] [2025-03-04 15:17:03,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:03,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:17:03,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:03,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:17:03,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:17:03,539 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:17:03,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 865 transitions, 17550 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:03,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:03,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:17:03,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:08,464 INFO L124 PetriNetUnfolderBase]: 11451/21019 cut-off events. [2025-03-04 15:17:08,465 INFO L125 PetriNetUnfolderBase]: For 546315/546380 co-relation queries the response was YES. [2025-03-04 15:17:08,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141375 conditions, 21019 events. 11451/21019 cut-off events. For 546315/546380 co-relation queries the response was YES. Maximal size of possible extension queue 1098. Compared 185074 event pairs, 5381 based on Foata normal form. 151/21170 useless extension candidates. Maximal degree in co-relation 132327. Up to 15490 conditions per place. [2025-03-04 15:17:08,747 INFO L140 encePairwiseOnDemand]: 33/45 looper letters, 937 selfloop transitions, 52 changer transitions 60/1053 dead transitions. [2025-03-04 15:17:08,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 1053 transitions, 23022 flow [2025-03-04 15:17:08,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 15:17:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-04 15:17:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 189 transitions. [2025-03-04 15:17:08,924 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.38181818181818183 [2025-03-04 15:17:08,924 INFO L175 Difference]: Start difference. First operand has 238 places, 865 transitions, 17550 flow. Second operand 11 states and 189 transitions. [2025-03-04 15:17:08,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 1053 transitions, 23022 flow [2025-03-04 15:17:12,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 1053 transitions, 22749 flow, removed 42 selfloop flow, removed 5 redundant places. [2025-03-04 15:17:12,604 INFO L231 Difference]: Finished difference. Result has 246 places, 869 transitions, 17499 flow [2025-03-04 15:17:12,605 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=17322, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=818, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=17499, PETRI_PLACES=246, PETRI_TRANSITIONS=869} [2025-03-04 15:17:12,605 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 200 predicate places. [2025-03-04 15:17:12,605 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 869 transitions, 17499 flow [2025-03-04 15:17:12,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:12,605 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:12,605 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:12,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 15:17:12,605 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:12,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2003064009, now seen corresponding path program 3 times [2025-03-04 15:17:12,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:12,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372293875] [2025-03-04 15:17:12,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:17:12,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:12,618 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:17:12,622 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:17:12,622 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:17:12,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:12,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:12,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372293875] [2025-03-04 15:17:12,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372293875] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:12,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:12,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:17:12,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873635951] [2025-03-04 15:17:12,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:12,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:17:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:12,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:17:12,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:17:12,927 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:17:12,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 869 transitions, 17499 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:12,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:12,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:17:12,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:17,870 INFO L124 PetriNetUnfolderBase]: 11491/21018 cut-off events. [2025-03-04 15:17:17,870 INFO L125 PetriNetUnfolderBase]: For 562956/563019 co-relation queries the response was YES. [2025-03-04 15:17:18,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142968 conditions, 21018 events. 11491/21018 cut-off events. For 562956/563019 co-relation queries the response was YES. Maximal size of possible extension queue 1112. Compared 183895 event pairs, 3712 based on Foata normal form. 202/21220 useless extension candidates. Maximal degree in co-relation 134220. Up to 10455 conditions per place. [2025-03-04 15:17:18,088 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 822 selfloop transitions, 180 changer transitions 50/1056 dead transitions. [2025-03-04 15:17:18,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 1056 transitions, 22687 flow [2025-03-04 15:17:18,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 15:17:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-04 15:17:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 246 transitions. [2025-03-04 15:17:18,089 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3416666666666667 [2025-03-04 15:17:18,089 INFO L175 Difference]: Start difference. First operand has 246 places, 869 transitions, 17499 flow. Second operand 16 states and 246 transitions. [2025-03-04 15:17:18,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 1056 transitions, 22687 flow [2025-03-04 15:17:22,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 1056 transitions, 22623 flow, removed 10 selfloop flow, removed 4 redundant places. [2025-03-04 15:17:22,109 INFO L231 Difference]: Finished difference. Result has 265 places, 901 transitions, 18883 flow [2025-03-04 15:17:22,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=17445, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18883, PETRI_PLACES=265, PETRI_TRANSITIONS=901} [2025-03-04 15:17:22,110 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 219 predicate places. [2025-03-04 15:17:22,110 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 901 transitions, 18883 flow [2025-03-04 15:17:22,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:22,110 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:22,110 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:22,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 15:17:22,110 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:22,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1145379091, now seen corresponding path program 2 times [2025-03-04 15:17:22,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:22,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741313599] [2025-03-04 15:17:22,111 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 15:17:22,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:22,120 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:17:22,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:17:22,131 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-04 15:17:22,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:22,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:22,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741313599] [2025-03-04 15:17:22,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741313599] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:22,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:22,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:17:22,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703017479] [2025-03-04 15:17:22,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:22,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:17:22,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:22,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:17:22,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:17:22,457 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:17:22,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 901 transitions, 18883 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:22,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:22,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:17:22,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:28,668 INFO L124 PetriNetUnfolderBase]: 12996/23858 cut-off events. [2025-03-04 15:17:28,668 INFO L125 PetriNetUnfolderBase]: For 701941/701999 co-relation queries the response was YES. [2025-03-04 15:17:28,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165870 conditions, 23858 events. 12996/23858 cut-off events. For 701941/701999 co-relation queries the response was YES. Maximal size of possible extension queue 1266. Compared 215081 event pairs, 6503 based on Foata normal form. 146/24004 useless extension candidates. Maximal degree in co-relation 165185. Up to 17074 conditions per place. [2025-03-04 15:17:29,015 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 963 selfloop transitions, 61 changer transitions 61/1089 dead transitions. [2025-03-04 15:17:29,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 1089 transitions, 24491 flow [2025-03-04 15:17:29,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 15:17:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-04 15:17:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 224 transitions. [2025-03-04 15:17:29,017 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35555555555555557 [2025-03-04 15:17:29,017 INFO L175 Difference]: Start difference. First operand has 265 places, 901 transitions, 18883 flow. Second operand 14 states and 224 transitions. [2025-03-04 15:17:29,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 1089 transitions, 24491 flow [2025-03-04 15:17:33,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 1089 transitions, 24291 flow, removed 69 selfloop flow, removed 7 redundant places. [2025-03-04 15:17:33,681 INFO L231 Difference]: Finished difference. Result has 274 places, 904 transitions, 18894 flow [2025-03-04 15:17:33,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=18717, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=844, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18894, PETRI_PLACES=274, PETRI_TRANSITIONS=904} [2025-03-04 15:17:33,681 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 228 predicate places. [2025-03-04 15:17:33,681 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 904 transitions, 18894 flow [2025-03-04 15:17:33,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:33,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 15:17:33,682 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 15:17:33,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 15:17:33,682 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-03-04 15:17:33,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 15:17:33,682 INFO L85 PathProgramCache]: Analyzing trace with hash 233439345, now seen corresponding path program 3 times [2025-03-04 15:17:33,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 15:17:33,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394964898] [2025-03-04 15:17:33,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 15:17:33,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 15:17:33,691 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 16 statements into 1 equivalence classes. [2025-03-04 15:17:33,694 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 15:17:33,694 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-04 15:17:33,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 15:17:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 15:17:33,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 15:17:33,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394964898] [2025-03-04 15:17:33,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394964898] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 15:17:33,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 15:17:33,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-04 15:17:33,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462764986] [2025-03-04 15:17:33,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 15:17:33,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 15:17:33,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 15:17:33,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 15:17:33,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-04 15:17:33,922 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2025-03-04 15:17:33,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 904 transitions, 18894 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 15:17:33,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 15:17:33,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2025-03-04 15:17:33,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 15:17:40,356 INFO L124 PetriNetUnfolderBase]: 13733/25202 cut-off events. [2025-03-04 15:17:40,356 INFO L125 PetriNetUnfolderBase]: For 767513/767571 co-relation queries the response was YES. [2025-03-04 15:17:40,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175723 conditions, 25202 events. 13733/25202 cut-off events. For 767513/767571 co-relation queries the response was YES. Maximal size of possible extension queue 1344. Compared 229150 event pairs, 7052 based on Foata normal form. 146/25348 useless extension candidates. Maximal degree in co-relation 174943. Up to 18333 conditions per place. [2025-03-04 15:17:40,866 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 946 selfloop transitions, 83 changer transitions 60/1093 dead transitions. [2025-03-04 15:17:40,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 1093 transitions, 24428 flow [2025-03-04 15:17:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-04 15:17:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-04 15:17:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 255 transitions. [2025-03-04 15:17:40,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2025-03-04 15:17:40,868 INFO L175 Difference]: Start difference. First operand has 274 places, 904 transitions, 18894 flow. Second operand 17 states and 255 transitions. [2025-03-04 15:17:40,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 1093 transitions, 24428 flow